Home / 1,231.20-1,703.04-1,093.44

Finding the Fourth Proportional to 1,231.20, 1,703.04 and 1,093.44

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Solution

The fourth proportional to 1,231.20, 1,703.04 and 1,093.44 is: 1,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.20 : 1,703.04 = 1,093.44 : x
  2. Step 2: Convert to fraction form
    1,231.20/1,703.04 = 1,093.44/x
  3. Step 3: Cross multiply
    1,231.20x = 1,703.04 × 1,093.44
  4. Step 4: Simplify right side
    1,231.20x = 1,862,172.06
  5. Step 5: Solve for x
    x = 1,862,172.06/1,231.20
  6. Step 6: Final answer
    x = 1,512.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.